South Coast AQMD home

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INVEST CLEAN Program

South Coast AQMD’s INVEST CLEAN initiative advances zero-emission goods movement and long-term air quality benefits across the region.

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Earth Day Air Quality Webinars

Celebrate Earth Day! Join a free webinar on April 22 to learn why clean air matters, how students can help, and explore environmental careers.

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AB 617

South Coast AQMD is conducting efforts that will help improve air quality and public health in communities. 

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Air Quality Investigations

Visit our Community Investigations page for information on South Coast AQMD activities in response to air quality incidents in local communities

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    View South Coast AQMD’s Community Air Monitoring stations near refineries

    Wildfire Smoke, Ash & Safety Tips

    Wildfires can often cause very high air pollution levels that are harmful to your health. Protect your health by taking steps Before, During, and After a wildfire to reduce how much pollution you are breathing. Visit our Wildfire Smoke & Ash Health & Safety Tips page for more info.
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    Latest News

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    April 7th, 2026

    South Coast AQMD emite un aviso de humo debido al incendio en un almacén en Ontario

    Válido el m.,4/7, hasta las 11:59 PM

    April 7th, 2026

    South Coast AQMD Issues Smoke Advisory due to Ontario Warehouse Fire

    Valid until Tues., 4/7, 11:59 PM

    April 7th, 2026

    On World Health Day, stay informed about air quality —small actions can make a big impact on your health

    April 3rd, 2026

    South Coast AQMD emite un aviso de humo debido al incendio Springs

    Válido hasta el sábado, 4/4, 2PM

    April 3rd, 2026

    South Coast AQMD Issues Wildfire Smoke Advisory Due to Springs Fire

    Valid through Sat., 4/4, 2PM

    April 3rd, 2026

    Walk instead of drive this Walk to Work Day—stay active, help keep the air clean, and check the Air Quality Index!

    April 2nd, 2026

    Apply for AB 617 Clean Community School Initiative funding to replace older school buses with zero-emission models — deadline Apr. 7

    April 1st, 2026

    South Coast AQMD extiende el aviso de polvo arrastrado por el viento para el Valle de Coachella

    Válido hasta el j., 4/2, 11:59 PM

    April 1st, 2026

    South Coast AQMD Extends Windblown Dust Advisory for the Coachella Valley

    Valid through Thurs., 4/2, 11:59 PM

    April 1st, 2026

    Expand EV charging access with more than 90 ports installed at South Coast AQMD headquarters in partnership with ChargePoint
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      • Videos

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        The Right to Breathe, v2.0
        AQI App
        Do One Thing
        South Coast AQMD Lab Tour
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        • Upcoming Events

          • AB 617 Community Steering Comm...

            Remote Meeting with Spanish Translation

            Remotely via Zoom
            April 9th, 2026 | 06:00 PM

          • Legislative Committee

            Hybrid Meeting

            Remotely via Zoom
            In-person location:
            Dr. William A. Burke Auditorium
            South Coast AQMD Headquarters
            21865 Copley Drive, Diamond Bar
            April 10th, 2026 | 09:00 AM

          • Administrative Committee

            Hybrid Meeting

            Remotely via Zoom
            In-Person location:
            Dr. William A. Burke Auditorium
            South Coast AQMD Headquarters
            21865 Copley Drive, Diamond Bar
            April 10th, 2026 | 10:00 AM
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        Air Quality Index (AQI) Map

        Air Quality Maps

        Current Air Quality Full Map Full Map Full Map
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        Incentives & Programs

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        • Community Programs

          The Clean Air Choices program provides a one-stop resource for information on the benefits of using clean technologies on the road and in your home.

        • Business Programs

          Financial and environmental benefits of implementing cleaner technologies from non-toxic dry cleaning machines to new or retrofit engines for heavy-duty on-road trucks.

        • Local Government

          Local governments play an important role in South Coast AQMD’s strategy to meet federal and state clean air standards within the South Coast Air Basin.

          Newsletter Sign Up

          Periodic newsletter updates via Email on a variety of air quality-related topics
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